No, I did not capture details. On Wed, Jun 6, 2018 at 11:16 AM, Pedro Larroy <[email protected]> wrote:
> Naveen, do you have more information about why the signal handler was > causing issues for the scala package? This was also failing on my PR > validation which included backtraces for crashes in CI. > > On Wed, Jun 6, 2018 at 6:38 PM, Anton Chernov <[email protected]> wrote: > > > The problem still persists with make build, so no correlation with the > > build system. > > > > 2018-06-06 15:49 GMT+02:00 Naveen Swamy <[email protected]>: > > > > > I am using make to build > > > > > > On Wed, Jun 6, 2018 at 6:47 AM, Anton Chernov <[email protected]> > > wrote: > > > > > > > Yes, we have checked that as well, but did not help in our case. I've > > > > checked out a commit close to 1.1 where it was still working and > built > > it > > > > with the new ci scripts (using cmake build for armv7) and it failed > > very > > > > similar. It seems that the problem might be in the way we are > building > > > the > > > > library. > > > > > > > > Are you using cmake or make for builds? > > > > > > > > 2018-06-06 14:47 GMT+02:00 Naveen Swamy <[email protected]>: > > > > > > > > > By the way it turned out the problem was when we used > > > USE_SIGNAL_HANDLER > > > > > along with a combination of flags, try removing signal handler and > > see > > > if > > > > > it works > > > > > > > > > > > On Jun 6, 2018, at 12:28 AM, Anton Chernov <[email protected]> > > > > wrote: > > > > > > > > > > > > Unfortunately, I think this is the same behaviour that we're > > > observing > > > > on > > > > > > Raspberry Pi's. Currently we are bisecting the release to find > the > > > > > breaking > > > > > > commit to have an idea what exactly is broken. > > > > > > > > > > > > What I can say for now that this failure is not deterministic (on > > > > RPi's) > > > > > > and the library import to python passes in 1 of 4 times. The > > creation > > > > of > > > > > > NDArray's in this case fails though in all cases with similar > > message > > > > > that > > > > > > the stack is corrupted. > > > > > > > > > > > > Will update on findings. > > > > > > > > > > > > -- Anton > > > > > > > > > > > > > > > > > > 2018-06-05 16:19 GMT+02:00 Pedro Larroy < > > > [email protected]> > > > > : > > > > > > > > > > > >> Could you compile with debug symbols or get a core file? From > this > > > > > output > > > > > >> is not clear why the crash is happening. > > > > > >> > > > > > >>> On Sun, May 27, 2018 at 10:04 AM, Naveen Swamy < > > [email protected] > > > > > > > > > wrote: > > > > > >>> > > > > > >>> Hi, > > > > > >>> I am working to publish MXNet-Scala package to maven and > > > encountering > > > > > an > > > > > >>> issue when trying to build with openblas/mkl/apple. This is on > > both > > > > the > > > > > >>> master and the 1.2.0 branch? Can some one help with this. > > > > > >>> make scalapkg fails when it calls the MXNet backend to get all > > the > > > > > APIs ? > > > > > >>> can someone help here? should I publish with blas disabled? I > > have > > > > > >> already > > > > > >>> quite a bit of time on this/ > > > > > >>> > > > > > >>> [INFO] > > > > > >>> [INFO] Segmentation fault: 11 > > > > > >>> [INFO] > > > > > >>> [INFO] Stack trace returned 10 entries: > > > > > >>> [INFO] [bt] (0) > > > > > >>> /home/ubuntu/mxnet-master/scala-package/init-native/ > > > > > >>> linux-x86_64/target/libmxnet-init-scala-linux-x86_64.so( > > > > > >>> dmlc::StackTrace[abi:cxx11]()+0x1bc) > > > > > >>> [0x7f2f04ca58ec] > > > > > >>> [INFO] [bt] (1) > > > > > >>> /home/ubuntu/mxnet-master/scala-package/init-native/ > > > > > >>> linux-x86_64/target/libmxnet-init-scala-linux-x86_64.so(+ > > > 0x31d7a4f) > > > > > >>> [0x7f2f07971a4f] > > > > > >>> [INFO] [bt] (2) /lib/x86_64-linux-gnu/libc.so.6(+0x354b0) > > > > > >> [0x7f3096cd24b0] > > > > > >>> [INFO] [bt] (3) > > > > > >>> /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/ > > > > > >>> libjvm.so(+0x3e4afc) > > > > > >>> [0x7f3093e0aafc] > > > > > >>> [INFO] [bt] (4) > > > > > >>> /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/ > > > > > >>> libjvm.so(+0xa239d6) > > > > > >>> [0x7f30944499d6] > > > > > >>> [INFO] [bt] (5) > > > > > >>> /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/ > > > > > >>> libjvm.so(+0xa24cdc) > > > > > >>> [0x7f309444acdc] > > > > > >>> [INFO] [bt] (6) > > > > > >>> /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/ > > > > > >>> libjvm.so(+0xa24e4c) > > > > > >>> [0x7f309444ae4c] > > > > > >>> [INFO] [bt] (7) > > > > > >>> /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/ > > > > > >>> libjvm.so(+0x7c3252) > > > > > >>> [0x7f30941e9252] > > > > > >>> [INFO] [bt] (8) > > > > > >>> /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/ > > > > > >>> libjvm.so(+0x5b00d6) > > > > > >>> [0x7f3093fd60d6] > > > > > >>> [INFO] [bt] (9) > > > > > >>> /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/ > > > > > >>> libjvm.so(+0x5b2c44) > > > > > >>> [0x7f3093fd8c44] > > > > > >>> [INFO] > > > > > >>> ------------------------------------------------------------ > > > > > ------------ > > > > > >>> > > > > > >>> [INFO] MXNet Scala Package - Parent ....................... > > > SUCCESS [ > > > > > >>> 1.265 s] > > > > > >>> [INFO] MXNet Scala Package - Initializer .................. > > > SUCCESS [ > > > > > >>> 2.215 s] > > > > > >>> [INFO] MXNet Scala Package - Initializer Native Parent .... > > > SUCCESS [ > > > > > >>> 0.017 s] > > > > > >>> [INFO] MXNet Scala Package - Initializer Native Linux-x86_64 > > > SUCCESS > > > > [ > > > > > >>> 4.417 s] > > > > > >>> [INFO] MXNet Scala Package - Macros ....................... > > > SUCCESS [ > > > > > >>> 7.083 s] > > > > > >>> [INFO] MXNet Scala Package - Core ......................... > > > FAILURE [ > > > > > >>> 4.341 s] > > > > > >>> [INFO] MXNet Scala Package - Native Parent ................ > > SKIPPED > > > > > >>> [INFO] MXNet Scala Package - Native Linux-x86_64 CPU-only . > > SKIPPED > > > > > >>> [INFO] MXNet Scala Package - Inference .................... > > SKIPPED > > > > > >>> [INFO] MXNet Scala Package - Examples ..................... > > SKIPPED > > > > > >>> [INFO] MXNet Scala Package - Spark ML ..................... > > SKIPPED > > > > > >>> [INFO] MXNet Scala Package - Full Parent .................. > > SKIPPED > > > > > >>> [INFO] MXNet Scala Package - Full Linux-x86_64 CPU-only ... > > SKIPPED > > > > > >>> > > > > > >>> -Naveen > > > > > >>> > > > > > >> > > > > > > > > > > > > > > >
